Bilstein 4600 Series Shock Absorbers For Chevy Silverado/GMC Sierra 2500 HD 4WD 2001-2010 - Includes Front Shocks # 24-060813 & Rear Shocks # 24-060820 Includes front and rear 4600 Series Bilstein Shock Absorbers. Fits stock height 2001-2010 Chevy Silverado & GMC Sierra 2500 HD 4WD. Monotube gas pressure technology provides improved control and stability, precise handling, ultimate performance, and incredible comfort. Easy to install; direct bolt-on; no modification required. Lifetime Warranty